Plaque morphology predictors of side branch occlusion after provisional stenting in coronary bifurcation lesion: Results of optical coherence tomography bifurcation study (ORBID)

Annapoorna S. Kini, Yuliya Vengrenyuk, Jacobo Pena, Takahiro Yoshimura, Sadik R. Panwar, Sadako Motoyama, Safwan Kezbor, Choudhury M. Hasan, Sameet Palkhiwala, Jason C. Kovacic, Pedro Moreno, Usman Baber, Roxana Mehran, Jagat Narula, Samin K. Sharma

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Objectives: The aim of this study was to identify the predictors of side branch (SB) ostial stenosis developed after provisional stenting of the main vessel (MV) using optical coherence tomography (OCT). Background: Provisional stenting remains the main approach to treatment of bifurcation lesions; however, it may result in the narrowing of SB ostium. There is little information about underlying plaque morphology of the MV lesion and its potential impact on the SB after provisional stenting. Methods: Patients with stable coronary disease with angiographic MV lesion not involving SB were included in a prospective single center study. The primary outcome was significant SB ostium stenosis (SBOS), defined as residual stenosis of >50% after MV stenting. Results: Thirty bifurcation lesions in 30 patients were analyzed in the study. Poststenting significant SBOS was observed in 30% of patients. The MV lesions with SBOS > 50% were characterized by a higher prevalence of lipid rich plaques (100 vs. 64%, p = 0.040) and spotty calcifications (60 vs. 0%, p = 0.005). Maximal lipid arcs were greater (257° vs. 132°, p = 0.001) and lipid volume index was higher (1380 vs. 574, p = 0.012) in the SBOS >50% group. Multivariate logistic regression analysis identified maximal lipid arc (odds ratio (OR): 1.014, p = 0.038) and the presence of lipid plaque contralateral to SB ostium (OR: 8.14, p = 0.046) before stenting as independent predictors of significant SBOS after PCI. Conclusions: High lipid content of the MV lesion and a contralateral location of lipid in the bifurcation area may contribute to SBOS after provisional stenting.

元の言語English
ページ(範囲)259-268
ページ数10
ジャーナルCatheterization and Cardiovascular Interventions
89
発行部数2
DOI
出版物ステータスPublished - 01-02-2017

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

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    Kini, A. S., Vengrenyuk, Y., Pena, J., Yoshimura, T., Panwar, S. R., Motoyama, S., Kezbor, S., Hasan, C. M., Palkhiwala, S., Kovacic, J. C., Moreno, P., Baber, U., Mehran, R., Narula, J., & Sharma, S. K. (2017). Plaque morphology predictors of side branch occlusion after provisional stenting in coronary bifurcation lesion: Results of optical coherence tomography bifurcation study (ORBID). Catheterization and Cardiovascular Interventions, 89(2), 259-268. https://doi.org/10.1002/ccd.26524